Mercedes 350d Tuning
Supported in 3 Mercedes models, 2010+.

Mercedes
14 supported 350d applications
Models With the Mercedes 350d
All Supported Mercedes 350d Tunes
| Model | Years | Version | Stock power | Controller | Platform |
|---|---|---|---|---|---|
| CLS | 2010+ | C218 | 258 hp | ECU Bosch EDC17CP57 | AutoTuner |
| CLS | 2010+ | C218 | 252 hp | ECU Bosch EDC17CP57 | AutoTuner |
| CLS | 2010+ | C218 | 258 hp | ECU Delphi CPC2 | AutoTuner |
| CLS | 2010+ | C218 | 252 hp | TCU Siemens VGSx-NAG2 | AutoTuner |
| CLS | 2010+ | C218 | 258 hp | TCU Bosch VGS-NAG3 | AutoTuner |
| CLS | 2010+ | C218 | 258 hp | TCU Continental VGS4-NAG2 | AutoTuner |
| GLC | 2015+ | X205 | 258 hp | ECU Bosch EDC17CP57 | AutoTuner |
| GLC | 2015+ | X205 | 258 hp | ECU Delphi CPC2 | AutoTuner |
| GLC | 2015+ | X205 | 258 hp | TCU Bosch VGS-NAG3 | AutoTuner |
| GLC | 2015+ | X205 | 258 hp | TCU Continental VGS4-NAG2 | AutoTuner |
| X | 2017+ | 258 hp | ECU Bosch EDC17CP57 | AutoTuner | |
| X | 2017+ | 258 hp | ECU Delphi CPC2 | AutoTuner | |
| X | 2017+ | 258 hp | TCU Bosch VGS-NAG3 | AutoTuner | |
| X | 2017+ | 258 hp | TCU Continental VGS4-NAG2 | AutoTuner |
About Mercedes 350d tuning
We tune the Mercedes 350d in 14 applications across the CLS, GLC, X, from 2010+, in diesel form, with stock outputs of 252-258 hp. Calibrations are written on AutoTuner for your exact hardware and fuel, then proven on our Dynojet 424xLC2 in Jenison, MI.
This engine runs on: Bosch EDC17CP57, Bosch VGS-NAG3, Continental VGS4-NAG2, Delphi CPC2, Siemens VGSx-NAG2.
Don't See Your Vehicle?
These lists cover off-the-shelf tuning platforms. We also do standalone ECU installs and custom calibrations, so reach out and we'll tell you what's possible for your build. Compatibility data last updated 2026-09-24.
